Portable shelter



FIG. 1 is an isometric view showing the frame of my new design for a portable shelter in the extended configuration shown separately for the clarity of illustration.

FIG. 2 is a front view thereof.

FIG. 3 is a right side elevational view thereof, the left side being identical.

FIG. 4 is a rear view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof.

FIG. 7 is an isometric view showing my new design in the covered configuration.

FIG. 8 is a front view showing my new design in the covered configuration, the rear view being identical.

FIG. 9 is a right view showing my new design in the covered configuration, the left view being identical.

FIG. 10 is a top view showing my new design in the covered configuration; and,

FIG. 11 is a bottom view showing my new design in the covered configuration. 

CLAIM The ornamental design for a portable shelter, substantially as shown and described. 